$OpenBSD: patch-net_dns_address_sorter_posix_cc,v 1.2 2015/05/06 14:27:24 robert Exp $
--- net/dns/address_sorter_posix.cc.orig.port	Fri Oct 11 19:29:01 2013
+++ net/dns/address_sorter_posix.cc	Fri Oct 18 20:47:20 2013
@@ -11,6 +11,7 @@
 #include <ifaddrs.h>
 #include <net/if.h>
 #include <netinet/in_var.h>
+#include <netinet6/in6_var.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #endif
